Possibly Japanese from teri meaning shine or glitter; alternatively a modern invented feminine name with no fixed origin.
Teriya may be Japanese, possibly from teri meaning shine or glitter, though it may also function as a modern invented feminine name without a fixed origin. That ambiguity gives it a light and flexible identity. The name feels soft and luminous. Teriya has a gentle, modern sound that can suggest brightness and delicacy, whether its meaning is read through Japanese elements or through contemporary invention.